GraphLab -- http://docs.graphlab.org/collaborative_filtering.html#SVD_PLUS_PLUS
On Tue, Apr 30, 2013 at 3:30 PM, Chirag Lakhani <clakh...@zaloni.com> wrote: > Do you know of any other large scale machine learning platforms that do > incorporate it? > > > On Tue, Apr 30, 2013 at 10:21 AM, Sean Owen <sro...@gmail.com> wrote: > >> No, time is in the data model but nothing uses it that I know of. >> >> On Tue, Apr 30, 2013 at 3:18 PM, Chirag Lakhani <clakh...@zaloni.com> >> wrote: >> > I was wondering if the collaborative filtering library in Mahout has any >> > algorithms that incorporate concept drift i.e. time dynamics. From my >> own >> > research I have come across the BellKor algorithm called TimeSVD++ and >> > there is a recent paper using hidden markov models with collaborative >> > filtering. Has anything of this sort been implemented in Mahout? >> > >> > I am working on a problem where a company offers many different services >> > and the dataset is their subscriber's subscription levels for each >> service >> > at different time snapshots. I am interested in using some sort of >> > recommender system that can give recommendations for new services based >> on >> > such data. >>